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Question
A solution containing 1 mole of solute has an osmotic pressure of 4 × 105 N m2 at 300 K. Calculate its volume if 1 mole of same solute in 12 m3 has an osmotic pressure of 3 × 105 N m2 at the same temperature.
Options
3 m3
6 m3
9 m3
12 m3
MCQ
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Solution
9 m3
Explanation:
π1V1 = π2V2
V1 = `(π_2"V"_2)/(π_1) = (3 xx 10^5 "N m"^-2 xx 12 "m"^3)/(4 xx 10^5 "N m"^-2)` = 9 m3
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